NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Melissa Greiner

Doula in Saint Albans, VT · enumerated 2026.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639016066

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Registry record

Entity type Individual (Type 1)
Name Melissa Greiner
Sex Female
Practice address Saint Albans, VT, 05478
Enumeration date May 4, 2026
Last updated in NPPES May 4, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

374J00000X Doula Nursing Service Related Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Melissa Greiner?
The National Provider Identifier (NPI) for Melissa Greiner is 1639016066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Melissa Greiner practice?
The practice location on file with NPPES is in Saint Albans, VT. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-04.